diff --git a/__tests__/lib/images.test.ts b/__tests__/lib/images.test.ts
index 0ba18ecc0e..29c0f11f55 100644
--- a/__tests__/lib/images.test.ts
+++ b/__tests__/lib/images.test.ts
@@ -1,8 +1,4 @@
-import {
-  createDownloadResumable,
-  deleteAsync,
-  getInfoAsync,
-} from 'expo-file-system/legacy'
+import {File, Paths} from 'expo-file-system'
 import {ImageManipulator, SaveFormat} from 'expo-image-manipulator'
 
 import {IMAGE_SIZE_CONFIG_2K_1MB} from '../../src/lib/constants'
@@ -23,6 +19,9 @@ describe('downloadAndResize', () => {
   const errorSpy = jest.spyOn(global.console, 'error')
 
   beforeEach(() => {
+    const mockedDownload = File.downloadFileAsync as jest.Mock
+    mockedDownload.mockResolvedValue(new File('file://downloaded-image.jpg'))
+
     let savedImageCount = 0
     const mockedManipulate = ImageManipulator.manipulate as jest.Mock
     mockedManipulate.mockImplementation(() => {
@@ -51,14 +50,6 @@ describe('downloadAndResize', () => {
   })
 
   it('should return resized image for valid URI and options', async () => {
-    const mockedFetch = createDownloadResumable as jest.Mock
-    mockedFetch.mockReturnValue({
-      cancelAsync: jest.fn(),
-      downloadAsync: jest
-        .fn()
-        .mockResolvedValue({uri: 'file://resized-image.jpg'}),
-    })
-
     const opts: DownloadAndResizeOpts = {
       uri: 'https://example.com/image.jpg',
       maxDimension: 2000,
@@ -71,11 +62,12 @@ describe('downloadAndResize', () => {
       ...mockResizedImage,
       path: 'file://resized-image-7.jpg',
     })
-    expect(createDownloadResumable).toHaveBeenCalledWith(
+    expect(File.downloadFileAsync).toHaveBeenCalledWith(
       opts.uri,
       expect.anything(),
       {
-        cache: true,
+        idempotent: true,
+        signal: expect.any(AbortSignal),
       },
     )
 
@@ -103,7 +95,7 @@ describe('downloadAndResize', () => {
     expect(resizedImage.saveAsync).toHaveBeenCalledWith(
       expect.objectContaining({format: SaveFormat.JPEG, compress: 1.0}),
     )
-    const deletedPaths = (deleteAsync as jest.Mock).mock.calls.map(
+    const deletedPaths = (Paths.info as jest.Mock).mock.calls.map(
       ([path]) => path,
     )
     expect(deletedPaths).toEqual(
@@ -120,11 +112,8 @@ describe('downloadAndResize', () => {
   })
 
   it('deletes a partial download when downloading fails', async () => {
-    const mockedFetch = createDownloadResumable as jest.Mock
-    mockedFetch.mockReturnValue({
-      cancelAsync: jest.fn(),
-      downloadAsync: jest.fn().mockRejectedValue(new Error('download failed')),
-    })
+    const mockedDownload = File.downloadFileAsync as jest.Mock
+    mockedDownload.mockRejectedValue(new Error('download failed'))
 
     const opts: DownloadAndResizeOpts = {
       uri: 'https://example.com/image.jpg',
@@ -134,22 +123,19 @@ describe('downloadAndResize', () => {
     }
 
     await expect(downloadAndResize(opts)).rejects.toThrow('download failed')
-    expect(deleteAsync).toHaveBeenCalledWith(expect.stringMatching(/\.bin$/), {
-      idempotent: true,
-    })
+    expect(Paths.info).toHaveBeenCalledWith(expect.stringMatching(/-download$/))
   })
 
   it('deletes every intermediate image when resizing fails', async () => {
-    const mockedFetch = createDownloadResumable as jest.Mock
-    mockedFetch.mockReturnValue({
-      cancelAsync: jest.fn(),
-      downloadAsync: jest
-        .fn()
-        .mockResolvedValue({uri: 'file://downloaded-image.jpg'}),
+    const mockedManipulate = ImageManipulator.manipulate as jest.Mock
+    const createContext = mockedManipulate.getMockImplementation()!
+    mockedManipulate.mockImplementation((...args) => {
+      const context = createContext(...args)
+      if (mockedManipulate.mock.calls.length === 3) {
+        context.renderAsync.mockRejectedValue(new Error('render failed'))
+      }
+      return context
     })
-    ;(getInfoAsync as jest.Mock)
-      .mockResolvedValueOnce({exists: true, size: 100})
-      .mockRejectedValueOnce(new Error('stat failed'))
 
     const opts: DownloadAndResizeOpts = {
       uri: 'https://example.com/image.jpg',
@@ -158,15 +144,14 @@ describe('downloadAndResize', () => {
       timeout: 10000,
     }
 
-    await expect(downloadAndResize(opts)).rejects.toThrow('stat failed')
-    const deletedPaths = (deleteAsync as jest.Mock).mock.calls.map(
+    await expect(downloadAndResize(opts)).rejects.toThrow('render failed')
+    const deletedPaths = (Paths.info as jest.Mock).mock.calls.map(
       ([path]) => path,
     )
     expect(deletedPaths).toEqual(
       expect.arrayContaining([
         'file://resized-image-1.jpg',
         'file://resized-image-2.jpg',
-        'file://resized-image-3.jpg',
       ]),
     )
   })
diff --git a/jest/jestSetup.js b/jest/jestSetup.js
index 562c1063c7..1f4979d610 100644
--- a/jest/jestSetup.js
+++ b/jest/jestSetup.js
@@ -29,12 +29,57 @@ jest.mock('react-native-safe-area-context', () => {
   }
 })
 
-jest.mock('expo-file-system/legacy', () => ({
-  getInfoAsync: jest.fn().mockResolvedValue({exists: true, size: 100}),
-  deleteAsync: jest.fn(),
-  moveAsync: jest.fn().mockResolvedValue(undefined),
-  createDownloadResumable: jest.fn(),
-}))
+jest.mock('expo-file-system', () => {
+  const join = parts =>
+    parts
+      .map(part => (typeof part === 'string' ? part : part.uri))
+      .join('/')
+      .replace(/([^:]\/)\/+/g, '$1')
+
+  class File {
+    static downloadFileAsync = jest.fn()
+
+    constructor(...parts) {
+      this.uri = join(parts)
+      this.exists = true
+      this.size = 100
+      this.type = 'image/jpeg'
+    }
+
+    copy = jest.fn()
+    delete = jest.fn()
+    move = jest.fn(async destination => {
+      this.uri = destination.uri
+    })
+    write = jest.fn()
+  }
+
+  class Directory {
+    static pickDirectoryAsync = jest.fn()
+
+    constructor(...parts) {
+      this.uri = join(parts)
+      this.exists = true
+    }
+
+    create = jest.fn()
+    createFile = jest.fn(name => new File(this, name))
+    delete = jest.fn()
+    list = jest.fn(() => [])
+  }
+
+  return {
+    Directory,
+    EncodingType: {Base64: 'base64'},
+    File,
+    Paths: {
+      availableDiskSpace: 100,
+      cache: new Directory('file://cache'),
+      document: new Directory('file://document'),
+      info: jest.fn(() => ({exists: true, isDirectory: false})),
+    },
+  }
+})
 
 jest.mock('expo-image-manipulator', () => {
   const createContext = () => {
diff --git a/oxlint-suppressions.json b/oxlint-suppressions.json
index e0435c5a4c..03c80e30f3 100644
--- a/oxlint-suppressions.json
+++ b/oxlint-suppressions.json
@@ -636,9 +636,6 @@
   "src/lib/media/manip.ts": {
     "typescript/no-explicit-any": {
       "count": 1
-    },
-    "typescript/no-floating-promises": {
-      "count": 3
     }
   },
   "src/lib/media/manip.web.ts": {
@@ -1212,11 +1209,6 @@
       "count": 2
     }
   },
-  "src/state/shell/composer/index.tsx": {
-    "typescript/no-floating-promises": {
-      "count": 1
-    }
-  },
   "src/state/shell/onboarding.tsx": {
     "typescript/no-floating-promises": {
       "count": 5
@@ -1521,4 +1513,4 @@
       "count": 33
     }
   }
-}
\ No newline at end of file
+}
diff --git a/src/lib/api/upload-blob.ts b/src/lib/api/upload-blob.ts
index c679e15d84..4921236d39 100644
--- a/src/lib/api/upload-blob.ts
+++ b/src/lib/api/upload-blob.ts
@@ -1,7 +1,8 @@
-import {copyAsync} from 'expo-file-system/legacy'
+import uuid from 'react-native-uuid'
+import {File, Paths} from 'expo-file-system'
 import {type BlobRef, type Client, type EncodingString} from '@atproto/lex'
 
-import {safeDeleteAsync} from '#/lib/media/manip'
+import {safeDelete} from '#/lib/media/manip'
 
 /**
  * The blob-upload response body: `{blob}`. lex `Client.uploadBlob` returns the
@@ -89,9 +90,9 @@ async function withSafeFile<T>(
     // Since we don't "own" the file, we should avoid renaming or modifying it.
     // Instead, let's copy it to a temporary file and use that (then remove the
     // temporary file).
-    const newPath = uri.replace(/\.jpe?g$/, '.bin')
+    const newPath = new File(Paths.cache, `${uuid.v4()}.bin`).uri
     try {
-      await copyAsync({from: uri, to: newPath})
+      await new File(uri).copy(new File(newPath))
     } catch {
       // Failed to copy the file, just use the original
       return await fn(uri)
@@ -100,7 +101,7 @@ async function withSafeFile<T>(
       return await fn(newPath)
     } finally {
       // Remove the temporary file
-      await safeDeleteAsync(newPath)
+      safeDelete(newPath)
     }
   } else {
     return fn(uri)
diff --git a/src/lib/media/manip.ts b/src/lib/media/manip.ts
index 3977a861e3..ea4ec838cc 100644
--- a/src/lib/media/manip.ts
+++ b/src/lib/media/manip.ts
@@ -1,17 +1,6 @@
 import {Image as RNImage} from 'react-native'
 import uuid from 'react-native-uuid'
-import {
-  cacheDirectory,
-  copyAsync,
-  createDownloadResumable,
-  deleteAsync,
-  EncodingType,
-  getInfoAsync,
-  makeDirectoryAsync,
-  moveAsync,
-  StorageAccessFramework,
-  writeAsStringAsync,
-} from 'expo-file-system/legacy'
+import {Directory, EncodingType, File, Paths} from 'expo-file-system'
 import {SaveFormat} from 'expo-image-manipulator'
 import * as MediaLibrary from 'expo-media-library/legacy'
 import * as Sharing from 'expo-sharing'
@@ -68,7 +57,7 @@ export async function downloadAndResize(opts: DownloadAndResizeOpts) {
       maxSize: opts.maxSize,
     })
   } finally {
-    void safeDeleteAsync(path)
+    safeDelete(path)
   }
 }
 
@@ -94,9 +83,9 @@ export async function shareImageModal({uri}: {uri: string}) {
       UTI: 'image/jpeg',
     })
   } finally {
-    await safeDeleteAsync(downloadedPath)
-    if (jpegUri) await safeDeleteAsync(jpegUri)
-    if (imagePath) await safeDeleteAsync(imagePath)
+    safeDelete(downloadedPath)
+    if (jpegUri) safeDelete(jpegUri)
+    if (imagePath) safeDelete(imagePath)
   }
 }
 
@@ -176,7 +165,7 @@ export async function saveImageToMediaLibrary({uri}: {uri: string}) {
     })
     throw err
   } finally {
-    safeDeleteAsync(imagePath)
+    safeDelete(imagePath)
   }
 }
 
@@ -239,19 +228,19 @@ async function doResize(
 
       intermediateUris.push(resizeRes.uri)
 
-      const fileInfo = await getInfoAsync(resizeRes.uri)
-      if (!fileInfo.exists) {
+      const file = new File(resizeRes.uri)
+      if (!file.exists) {
         throw new Error(
           'The image manipulation library failed to create a new image.',
         )
       }
 
-      if (fileInfo.size < opts.maxSize) {
+      if (file.size < opts.maxSize) {
         minQualityPercentage = qualityPercentage
         newDataUri = {
           path: normalizePath(resizeRes.uri),
           mime: 'image/jpeg',
-          size: fileInfo.size,
+          size: file.size,
           width: resizeRes.width,
           height: resizeRes.height,
         }
@@ -271,12 +260,12 @@ async function doResize(
     newDataUri = undefined
     throw err
   } finally {
-    await safeDeleteAsync(imageRes.uri)
-    await Promise.all(
-      intermediateUris
-        .filter(uri => newDataUri?.path !== normalizePath(uri))
-        .map(safeDeleteAsync),
-    )
+    safeDelete(imageRes.uri)
+    for (const intermediateUri of intermediateUris) {
+      if (newDataUri?.path !== normalizePath(intermediateUri)) {
+        safeDelete(intermediateUri)
+      }
+    }
   }
 }
 
@@ -288,44 +277,29 @@ async function moveToPermanentPath(path: string, ext: string): Promise<string> {
   */
   const filename = uuid.v4()
 
-  // cacheDirectory will not ever be null on native, but it could be on web. This function only ever gets called on
-  // native so we assert as a string.
-  const destinationPath = joinPath(cacheDirectory as string, filename + ext)
-  await copyAsync({
-    from: normalizePath(path),
-    to: normalizePath(destinationPath),
-  })
-  safeDeleteAsync(path)
-  return normalizePath(destinationPath)
+  const destination = new File(Paths.cache, filename + ext)
+  await new File(normalizePath(path)).copy(destination)
+  safeDelete(path)
+  return normalizePath(destination.uri)
 }
 
-export async function safeDeleteAsync(path: string) {
-  // Normalize is necessary for Android, otherwise it doesn't delete.
+export function safeDelete(path: string) {
   const normalizedPath = normalizePath(path)
   try {
-    await deleteAsync(normalizedPath, {idempotent: true})
+    const info = Paths.info(normalizedPath)
+    if (info.isDirectory) {
+      new Directory(normalizedPath).delete()
+    } else if (info.exists) {
+      new File(normalizedPath).delete()
+    }
   } catch (e) {
     console.error('Failed to delete file', e)
   }
 }
 
-function joinPath(a: string, b: string) {
-  if (a.endsWith('/')) {
-    if (b.startsWith('/')) {
-      return a.slice(0, -1) + b
-    }
-    return a + b
-  } else if (b.startsWith('/')) {
-    return a + b
-  }
-  return a + '/' + b
-}
-
-function normalizePath(str: string, allPlatforms = false): string {
-  if (IS_ANDROID || allPlatforms) {
-    if (!str.startsWith('file://')) {
-      return `file://${str}`
-    }
+function normalizePath(str: string): string {
+  if (str.startsWith('/')) {
+    return `file://${str}`
   }
   return str
 }
@@ -356,20 +330,9 @@ export async function saveToDevice(
       })
       return true
     } else {
-      const permissions =
-        await StorageAccessFramework.requestDirectoryPermissionsAsync()
-
-      if (!permissions.granted) {
-        return false
-      }
-
-      const fileUrl = await StorageAccessFramework.createFileAsync(
-        permissions.directoryUri,
-        filename,
-        type,
-      )
-
-      await writeAsStringAsync(fileUrl, encoded, {
+      const directory = await Directory.pickDirectoryAsync()
+      const file = directory.createFile(filename, type)
+      file.write(encoded, {
         encoding: EncodingType.Base64,
       })
       return true
@@ -385,65 +348,60 @@ async function withTempFile<T>(
   encoded: string,
   cb: (url: string) => T | Promise<T>,
 ): Promise<T> {
-  // cacheDirectory will not ever be null so we assert as a string.
   // Using a directory so that the file name is not a random string
-  const tmpDirUri = joinPath(cacheDirectory as string, String(uuid.v4()))
-  await makeDirectoryAsync(tmpDirUri, {intermediates: true})
+  const tmpDir = new Directory(Paths.cache, String(uuid.v4()))
+  tmpDir.create({intermediates: true})
 
   try {
-    const tmpFileUrl = joinPath(tmpDirUri, filename)
-    await writeAsStringAsync(tmpFileUrl, encoded, {
+    const tmpFile = new File(tmpDir, filename)
+    tmpFile.write(encoded, {
       encoding: EncodingType.Base64,
     })
 
-    return await cb(tmpFileUrl)
+    return await cb(tmpFile.uri)
   } finally {
-    safeDeleteAsync(tmpDirUri)
+    safeDelete(tmpDir.uri)
   }
 }
 
 async function downloadImage(uri: string, destName: string, timeout: number) {
-  // Download to a temp path first, then rename with the correct extension
-  // based on the response's mimeType.
-  const tempPath = `${cacheDirectory ?? ''}/${destName}.bin`
-  const dlResumable = createDownloadResumable(uri, tempPath, {cache: true})
+  /*
+   * Download into a temporary directory so Expo can derive a filename from
+   * the response headers. We then use that file's MIME type to choose the
+   * permanent extension.
+   */
+  const tempDir = new Directory(Paths.cache, `${destName}-download`)
+  tempDir.create({intermediates: true})
+
+  const controller = new AbortController()
   let timedOut = false
-  let downloadedPath: string | undefined
-  let finalPath: string | undefined
-  const to1 = setTimeout(() => {
+  const timeoutId = setTimeout(() => {
     timedOut = true
-    void dlResumable.cancelAsync().catch(() => undefined)
+    controller.abort()
   }, timeout)
 
   try {
-    let dlRes
-    try {
-      dlRes = await dlResumable.downloadAsync()
-    } finally {
-      clearTimeout(to1)
-    }
-
-    if (!dlRes?.uri) {
-      if (timedOut) {
-        throw new Error('Failed to download image - timed out')
-      } else {
-        throw new Error('Failed to download image - dlRes is undefined')
-      }
-    }
-
-    downloadedPath = dlRes.uri
-    const ext = extFromMime(dlRes.mimeType)
-    finalPath = `${cacheDirectory ?? ''}/${destName}.${ext}`
-    await moveAsync({from: downloadedPath, to: finalPath})
-
-    return normalizePath(finalPath)
-  } catch (err) {
-    await Promise.all(
-      [...new Set([tempPath, downloadedPath, finalPath])]
-        .filter(path => path !== undefined)
-        .map(safeDeleteAsync),
+    const downloaded = await File.downloadFileAsync(uri, tempDir, {
+      idempotent: true,
+      signal: controller.signal,
+    })
+    const ext = extFromMime(downloaded.type)
+    const destination = new File(
+      Paths.cache,
+      ext ? `${destName}.${ext}` : `${destName}.bin`,
     )
+    await downloaded.move(destination)
+
+    return normalizePath(destination.uri)
+  } catch (err) {
+    if (timedOut) {
+      throw new Error('Failed to download image - timed out')
+    }
+
     throw err
+  } finally {
+    clearTimeout(timeoutId)
+    safeDelete(tempDir.uri)
   }
 }
 
@@ -454,6 +412,6 @@ const MIME_TO_EXT: Record<string, string> = {
   'image/gif': 'gif',
 }
 
-function extFromMime(mimeType?: string | null): string {
-  return (mimeType && MIME_TO_EXT[mimeType]) || 'jpg'
+function extFromMime(mimeType?: string | null): string | undefined {
+  return mimeType ? MIME_TO_EXT[mimeType] : undefined
 }
diff --git a/src/lib/media/manip.web.ts b/src/lib/media/manip.web.ts
index 690dc32023..4a454419c1 100644
--- a/src/lib/media/manip.web.ts
+++ b/src/lib/media/manip.web.ts
@@ -193,6 +193,6 @@ function downloadUrl(href: string, filename: string) {
   document.body.removeChild(a)
 }
 
-export async function safeDeleteAsync() {
+export function safeDelete() {
   // no-op
 }
diff --git a/src/lib/media/picker.e2e.tsx b/src/lib/media/picker.e2e.tsx
index 4fa17ecf37..65ee805fdf 100644
--- a/src/lib/media/picker.e2e.tsx
+++ b/src/lib/media/picker.e2e.tsx
@@ -1,9 +1,5 @@
 import {Asset} from 'expo-asset'
-import {
-  documentDirectory,
-  getInfoAsync,
-  readDirectoryAsync,
-} from 'expo-file-system/legacy'
+import {Directory, File, Paths} from 'expo-file-system'
 import {type ImagePickerResult} from 'expo-image-picker'
 import ExpoImageCropTool, {
   type OpenCropperOptions,
@@ -19,27 +15,29 @@ async function getFile() {
     return await getAndroidFile()
   }
 
-  const imagesDir = documentDirectory!
+  const imagesDir = Paths.document.uri
+    .replace(/\/?$/, '/')
     .split('/')
     .slice(0, -6)
     .concat(['Media', 'DCIM', '100APPLE'])
     .join('/')
 
-  let files = await readDirectoryAsync(imagesDir)
-  files = files.filter(file => file.endsWith('.JPG'))
-  const file = `${imagesDir}/${files[0]}`
+  const file = new Directory(imagesDir)
+    .list()
+    .find(
+      (entry): entry is File =>
+        entry instanceof File && entry.name.endsWith('.JPG'),
+    )
 
-  const fileInfo = await getInfoAsync(file)
-
-  if (!fileInfo.exists) {
+  if (!file?.exists) {
     throw new Error('Failed to get file info')
   }
 
   return await compressIfNeeded(
     {
-      path: file,
+      path: file.uri,
       mime: 'image/jpeg',
-      size: fileInfo.size,
+      size: file.size,
       width: 4288,
       height: 2848,
     },
@@ -61,10 +59,9 @@ async function getAndroidFile() {
   )
   await asset.downloadAsync()
 
-  const path = asset.localUri!
-  const fileInfo = await getInfoAsync(path)
+  const file = new File(asset.localUri!)
 
-  if (!fileInfo.exists) {
+  if (!file.exists) {
     throw new Error('Failed to get file info')
   }
 
@@ -75,9 +72,9 @@ async function getAndroidFile() {
    */
   return await compressIfNeeded(
     {
-      path,
+      path: file.uri,
       mime: 'image/jpeg',
-      size: fileInfo.size,
+      size: file.size,
       width: 1432,
       height: 1025,
     },
diff --git a/src/lib/media/uriSize.ts b/src/lib/media/uriSize.ts
index 7ac2898180..779651e699 100644
--- a/src/lib/media/uriSize.ts
+++ b/src/lib/media/uriSize.ts
@@ -1,9 +1,9 @@
-import {getInfoAsync} from 'expo-file-system/legacy'
+import {File} from 'expo-file-system'
 
-export async function getUriSize(uri: string): Promise<number> {
-  const info = await getInfoAsync(uri)
-  if (!info.exists) {
+export function getUriSize(uri: string): Promise<number> {
+  const file = new File(uri)
+  if (!file.exists) {
     throw new Error('Failed to read image size')
   }
-  return info.size
+  return Promise.resolve(file.size)
 }
diff --git a/src/platform/misc.web-check.d.ts b/src/platform/misc.web-check.d.ts
index dfa41bf6a4..2e5d40784d 100644
--- a/src/platform/misc.web-check.d.ts
+++ b/src/platform/misc.web-check.d.ts
@@ -80,6 +80,11 @@ declare module 'expo-file-system' {
     slice(start?: number, end?: number, contentType?: string): Blob
     upload(url: string, options?: UploadOptions): Promise<UploadResult>
     createUploadTask(url: string, options?: UploadOptions): UploadTask
+    static downloadFileAsync(
+      url: string,
+      destination: File | Directory,
+      options?: DownloadOptions,
+    ): Promise<File>
     static createDownloadTask(
       url: string,
       destination: File | Directory,
@@ -92,6 +97,7 @@ declare module 'expo-file-system' {
   }
 
   export class Directory extends ExpoFileSystemDirectory {
+    static pickDirectoryAsync(initialUri?: string): Promise<Directory>
     constructor(...uris: (string | File | Directory)[])
     get parentDirectory(): Directory
     list(): (Directory | File)[]
diff --git a/src/screens/Settings/AboutSettings.tsx b/src/screens/Settings/AboutSettings.tsx
index 0c227c7b44..286bbe852d 100644
--- a/src/screens/Settings/AboutSettings.tsx
+++ b/src/screens/Settings/AboutSettings.tsx
@@ -1,6 +1,6 @@
 import {Platform} from 'react-native'
 import {setStringAsync} from 'expo-clipboard'
-import * as FileSystem from 'expo-file-system/legacy'
+import {Paths} from 'expo-file-system'
 import {Image} from 'expo-image'
 import {msg} from '@lingui/core/macro'
 import {useLingui} from '@lingui/react'
@@ -41,15 +41,13 @@ export function AboutSettingsScreen({}: Props) {
   const {mutate: onClearImageCache, isPending: isClearingImageCache} =
     useMutation({
       mutationFn: async () => {
-        const freeSpaceBefore = await FileSystem.getFreeDiskStorageAsync()
-        await Promise.all([
-          // expo-image's disk cache
-          Image.clearDiskCache(),
-          // full-resolution media-upload leftovers (picker/manipulator copies);
-          // the only in-app way for iOS users to reclaim this space
-          purgeTemporaryImageFiles(),
-        ])
-        const freeSpaceAfter = await FileSystem.getFreeDiskStorageAsync()
+        const freeSpaceBefore = Paths.availableDiskSpace
+        // full-resolution media-upload leftovers (picker/manipulator copies);
+        // the only in-app way for iOS users to reclaim this space
+        purgeTemporaryImageFiles()
+        // expo-image's disk cache
+        await Image.clearDiskCache()
+        const freeSpaceAfter = Paths.availableDiskSpace
         const spaceDiff = freeSpaceBefore - freeSpaceAfter
         return spaceDiff * -1
       },
diff --git a/src/state/gallery.ts b/src/state/gallery.ts
index 15c3a9e5b6..d872d3516c 100644
--- a/src/state/gallery.ts
+++ b/src/state/gallery.ts
@@ -1,10 +1,4 @@
-import {
-  cacheDirectory,
-  copyAsync,
-  deleteAsync,
-  makeDirectoryAsync,
-  moveAsync,
-} from 'expo-file-system/legacy'
+import {Directory, File, Paths} from 'expo-file-system'
 import {type ImageManipulatorContext, SaveFormat} from 'expo-image-manipulator'
 import {nanoid} from 'nanoid/non-secure'
 
@@ -50,11 +44,14 @@ type ComposerImageWithTransformation = ComposerImageBase & {
 export type ComposerImage =
   ComposerImageWithoutTransformation | ComposerImageWithTransformation
 
-let _imageCacheDirectory: string
+let _imageCacheDirectory: Directory
 
-function getImageCacheDirectory(): string | null {
+function getImageCacheDirectory(): Directory | null {
   if (IS_NATIVE) {
-    return (_imageCacheDirectory ??= joinPath(cacheDirectory!, 'bsky-composer'))
+    return (_imageCacheDirectory ??= new Directory(
+      Paths.cache,
+      'bsky-composer',
+    ))
   }
 
   return null
@@ -273,13 +270,14 @@ export async function compressImage(
 async function moveIfNecessary(from: string) {
   const cacheDir = IS_NATIVE && getImageCacheDirectory()
 
-  if (cacheDir && !from.startsWith(cacheDir)) {
-    const to = joinPath(cacheDir, nanoid(36))
+  if (cacheDir && !from.startsWith(cacheDir.uri)) {
+    const source = new File(normalizeFileUri(from))
+    const destination = new File(cacheDir, nanoid(36))
 
-    await makeDirectoryAsync(cacheDir, {intermediates: true})
-    await moveAsync({from, to})
+    cacheDir.create({idempotent: true, intermediates: true})
+    await source.move(destination)
 
-    return to
+    return destination.uri
   }
 
   return from
@@ -316,20 +314,15 @@ async function copyToCache(from: string): Promise<string> {
 
   // Native: copy to cache directory to survive OS temp file cleanup
   const cacheDir = getImageCacheDirectory()
-  if (!cacheDir || from.startsWith(cacheDir)) {
+  if (!cacheDir || from.startsWith(cacheDir.uri)) {
     return from
   }
 
-  const to = joinPath(cacheDir, nanoid(36))
-  await makeDirectoryAsync(cacheDir, {intermediates: true})
+  const destination = new File(cacheDir, nanoid(36))
+  cacheDir.create({idempotent: true, intermediates: true})
 
-  let normalizedFrom = from
-  if (!from.startsWith('file://') && from.startsWith('/')) {
-    normalizedFrom = `file://${from}`
-  }
-
-  await copyAsync({from: normalizedFrom, to})
-  return to
+  await new File(normalizeFileUri(from)).copy(destination)
+  return destination.uri
 }
 
 /**
@@ -363,36 +356,42 @@ function blobToDataUri(blob: Blob): Promise<string> {
 const SYSTEM_MEDIA_CACHE_DIRS = ['ImagePicker', 'ImageManipulator']
 
 /** Purge files that were created to accomodate image manipulation */
-export async function purgeTemporaryImageFiles() {
+export function purgeTemporaryImageFiles() {
   if (!IS_NATIVE) {
     return
   }
 
   const cacheDir = getImageCacheDirectory()
   if (cacheDir) {
-    await deleteAsync(cacheDir, {idempotent: true})
-    await makeDirectoryAsync(cacheDir)
+    try {
+      if (cacheDir.exists) {
+        cacheDir.delete()
+      }
+      cacheDir.create()
+    } catch (err) {
+      logger.warn('Failed to purge composer image cache', {safeMessage: err})
+    }
   }
 
   // We don't recreate these - the respective expo modules recreate them on
   // demand the next time they run.
-  await Promise.all(
-    SYSTEM_MEDIA_CACHE_DIRS.map(dir =>
-      deleteAsync(joinPath(cacheDirectory!, dir), {idempotent: true}),
-    ),
-  )
+  for (const dir of SYSTEM_MEDIA_CACHE_DIRS) {
+    try {
+      const directory = new Directory(Paths.cache, dir)
+      if (directory.exists) {
+        directory.delete()
+      }
+    } catch (err) {
+      logger.warn('Failed to purge system image cache', {
+        safeMessage: err,
+        directory: dir,
+      })
+    }
+  }
 }
 
-function joinPath(a: string, b: string) {
-  if (a.endsWith('/')) {
-    if (b.startsWith('/')) {
-      return a.slice(0, -1) + b
-    }
-    return a + b
-  } else if (b.startsWith('/')) {
-    return a + b
-  }
-  return a + '/' + b
+function normalizeFileUri(uri: string): string {
+  return uri.startsWith('/') ? `file://${uri}` : uri
 }
 
 function containImageRes(
diff --git a/tsconfig.check.web.json b/tsconfig.check.web.json
index 4b2ae580f2..bcb6f217da 100644
--- a/tsconfig.check.web.json
+++ b/tsconfig.check.web.json
@@ -5,14 +5,6 @@
     "paths": {
       "#/*": ["./src/*"],
       "crypto": ["./src/platform/crypto.ts"],
-      /*
-       * expo-file-system/legacy resolves to the package's raw TypeScript
-       * source, whose internals break under .web module suffixes. Point it
-       * at the compiled declarations, where skipLibCheck applies.
-       */
-      "expo-file-system/legacy": [
-        "./node_modules/expo-file-system/build/legacy/index.d.ts"
-      ],
       /*
        * Mirrors the root tsconfig mapping (paths does not merge across
        * extends): expo-file-system 57's `exports` map blocks the deep type